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DTC P0402 EGRC-BPT VALVE FUNCTION EC-287 [KA24DE] C D E F G H I J K L M A EC DTC P0402 EGRC-BPT VALVE FUNCTION PFP:14741 Description UBS00D6Q SYSTEM DESCRIPTION The EGRC-BPT valve monitors exhaust pressure to activate the diaphragm, controlling throttle body vacuum On Board Diagnosis Logic UBS00D6R If too much EGR flow exists due to an EGRC-BPT valve malfunction, off idle engine roughness will increase. If SEF453PD DTC No. Trouble Diagnosis Name DTC Detecting Condition Possible Cause P0402 EGRC-BPT valve function ● The EGRC-BPT valve does not ● EGRC-BPT valve ● EGR valve ● Loose or disconnected rubber tube ● Blocked rubber tube ● Camshaft position sensor ● Blocked exhaust system ● Orifice ● Mass air flow sensor ● EGRC solenoid valve |